SolarMax 20C/25C/30C/35C. Proven reliability.

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1 SolarMax 20C/25C/30C/35C Proven reliability.

2 Proven reliability. Sputnik Engineering commissioned the fi rst SolarMax PV central inverters in Since then thousands of central inverters have been put into operation and deliver the best energy yields day after day. All made possible by proven C series central inverters. If you need a central inverter with galvanic isolation and as much as 35 kilowatts of output, the C series devices are the ideal solution for your needs. These inverters deliver high energy yields and feature the greatest operational safety while keeping system costs to a minimum. What also makes C series inverters attractive is their price/performance ratio and their excellent services such as the service package MaxControl. Swiss Quality For years quality has been our highest priority. The development, the fi nal installation and all quality controls of the C series are conducted in Switzerland. This is something you can rely on. Maximum reliability When you decide for a SolarMax central inverter of the C series you benefi t from a proven, stable 3-phase inverter with galvanic isolation, the best possible operational safety and a long useful life.

3 Potential equalization set TÜV TÜV type approved As an option, the C series central inverters can be equipped with a potential equalization set (PES). The PES enables you to earth the PV generator which allows the use of thin-fi lm or back-side-contacted modules. The inverters of the C series are "TÜV type approved" and meet the applicable guidelines and product safety standards.

4 Attractive price / performance ratio The inverters of the C series deliver great effi ciency, maximum reliability, and interfaces for device monitoring at an attractive price. Competent after sales service And if a C series inverter should at any time fail to operate as usual, our Service Centre can provide straight-forward and competent assistance in fi ve languages. If the solution cannot be found quickly, our service technicians will come to the site right away. We also support our partners by providing them with practical training sessions at regular intervals. Warranty coverage The central inverters of the C series are characterised by a two-year standard warranty that can be extended to up to 12 years (including standard warranty) using the options Limited and Full. MaxControl, the full-service package, can also be concluded for up to 20 years. This service package (alarm system, device and system monitoring, data analysis) includes an availability guarantee. If the availability of the inverter (per year) is lower than 97 %, we will provide you with a fl at yield loss payment.

5 MaxComm for system monitoring MaxWeb The MaxWeb xp data logger forms the core of the web-based monitoring system; it enables multimedia communication with the photovoltaic plant and sends information via the internet to wherever you wish to receive it. MaxRemote enables remote-controlled performance reduction by the operator. MaxWeb Portal (performance, yield, alarm) MaxMeteo MaxWeb xp SMS (alarm) WWW (alarm, XML) MaxRemote (interface) MaxDisplay (interface: performance, yield) MaxCount MaxMonitoring The cost-free app visualises the performance data of the photovoltaic system and of individual inverters on site. MaxMonitoring MaxVisio A touch display visualises the data from a photovoltaic plant including individual inverters. MaxTalk User-friendly PC software for on site communication and for local system monitoring. MaxVisio MaxTalk Accessories MaxConnect plus The devices of the MaxConnect series are generator terminal boxes for SolarMax central inverters. They are designed for the purpose of combining the individual cables of your solar generator. Thanks to single-cable monitoring the devices can detect defects and shadings prematurely. With integrated cable protections and over-voltage conductors, as well as an integrated high-performance circuit breaker the MaxConnect plus is secured comprehensively. Connection is implemented using terminal clamps. MaxConnect plus p With its housing made of plastic and the MC4 plug-and-socket connections for connecting the cables, the MaxConnect plus p meets the requirements of protection class II and does not require any earthing. The device meets the French UTE standard specifying this protection class for components on the direct current side of PV systems.

6 Specifications SolarMax 20C SolarMax 25C SolarMax 30C SolarMax 35C Input values Maximum PV generator output power 1) 24 kw 33 kw 40 kw45 kw MPP voltage range V Maximum DC voltage 900 V Maximum DC current 48 A 63 A 75 A 78 A Number of MPP-Trackers Connection type 3 x screw terminals 35 mm 2 Output values Rated output power 20 kw 25 kw 30 kw 35 kw Maximum apparent output power 22 kw 27.5 kw 33 kw 38.5 kw Nominal mains voltage 3 x 400 V Maximum AC current 31 A 38 A 46 A 54 A Mains nominal frequency / range 50 Hz / Hz Power factor (cos phi) > 0.98 Distortion factor at rated power < 3 % Connection type 6 x screw terminals 35 mm 2 Grid connection Three-phase (with neutral conductor) Efficiency Maximum efficiency 96 % Europ. efficiency 94.8 % Power input Own consumption, night 2 7 W Ambient conditions Protection type compliant with EN IP20 Ambient temperature range at rated power -20 C + 40 C Relative humidity 0 98 % (no condensation) Configuration Display Two-Line, 16 Character LCD (Backlighted) Data logger Energy yield of the most recent day, month and year / Total operating hours Galvanic isolation LF transformer Standards & guidelines CE-compliant Yes EMC EN / EN Standard / guideline compliance DK 5940 / RD 661 Device safety TÜV Type approved compliant with EN Interfaces Data communication RS232 / RS485 Fault alarm contact Potential-free terminal contact pair Alarm input 1 Terminal contact pair for connection to MaxConnect plus / 1 terminal contact pair for connection to an external voltage source (5 12 VDC) Weight & dimensions Weight 275 kg 275 kg 370 kg 370 kg Dimensions in mm (W x H x D) 570 x 1170 x 570 Warranty Standard 2 years / extension to 10 or 12 years possible 1) Recommended overdimensioning15 % (ISE Fraunhofer study) All rights, amendments and errors reserved. Efficiency SolarMax C series Output power PAC,nom [%] 2012/01 en Effi ciency η [%]